From: Bean Huo <huobean@gmail.com>
To: alim.akhtar@samsung.com, avri.altman@wdc.com,
asutoshd@codeaurora.org, jejb@linux.ibm.com,
martin.petersen@oracle.com, stanley.chu@mediatek.com,
beanhuo@micron.com, bvanassche@acm.org, tomas.winkler@intel.com,
cang@codeaurora.org
Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH v5 2/7] docs: ABI: Add wb_on documentation for UFS sysfs
Date: Wed, 16 Dec 2020 00:05:14 +0100 [thread overview]
Message-ID: <20201215230519.15158-3-huobean@gmail.com> (raw)
In-Reply-To: <20201215230519.15158-1-huobean@gmail.com>
From: Bean Huo <beanhuo@micron.com>
Adds UFS sysfs documentation for new entry wb_on.
Signed-off-by: Bean Huo <beanhuo@micron.com>
---
Documentation/ABI/testing/sysfs-driver-ufs | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/Documentation/ABI/testing/sysfs-driver-ufs b/Documentation/ABI/testing/sysfs-driver-ufs
index d1a352194d2e..5a70d541b2f2 100644
--- a/Documentation/ABI/testing/sysfs-driver-ufs
+++ b/Documentation/ABI/testing/sysfs-driver-ufs
@@ -1019,3 +1019,11 @@ Contact: Asutosh Das <asutoshd@codeaurora.org>
Description: This entry shows the configured size of WriteBooster buffer.
0400h corresponds to 4GB.
The file is read only.
+
+What: /sys/bus/platform/drivers/ufshcd/*/wb_on
+Date: December 2020
+Contact: Bean Huo <beanhuo@micron.com>
+Description: This sets or displays whether UFS WriteBooster is enabled. Echo
+ 0 into this file to disable UFS WriteBooster or 1 to enable it. Note,
+ this is only allowed for the platform doesen't support
+ UFSHCD_CAP_CLK_SCALING.
--
2.17.1
next prev parent reply other threads:[~2020-12-16 0:08 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-15 23:05 [PATCH v5 0/7] Several changes for UFS WriteBooster Bean Huo
2020-12-15 23:05 ` [PATCH v5 1/7] scsi: ufs: Add "wb_on" sysfs node to control WB on/off Bean Huo
2020-12-22 6:08 ` Stanley Chu
2020-12-22 6:12 ` Can Guo
2020-12-22 20:57 ` Bean Huo
2020-12-22 22:11 ` Bean Huo
2020-12-23 1:31 ` Can Guo
2020-12-23 8:28 ` Bean Huo
2020-12-23 8:30 ` Bean Huo
2020-12-23 9:11 ` Bean Huo
2020-12-22 20:50 ` Bean Huo
2020-12-22 21:08 ` Bean Huo
2020-12-23 21:52 ` Bean Huo
2020-12-15 23:05 ` Bean Huo [this message]
2020-12-15 23:05 ` [PATCH v5 3/7] scsi: ufs: Changes comment in the function ufshcd_wb_probe() Bean Huo
2020-12-15 23:05 ` [PATCH v5 4/7] scsi: ufs: Remove two WB related fields from struct ufs_dev_info Bean Huo
2020-12-16 4:15 ` Stanley Chu
2020-12-15 23:05 ` [PATCH v5 5/7] scsi: ufs: Group UFS WB related flags to " Bean Huo
2020-12-16 4:16 ` Stanley Chu
2020-12-22 6:14 ` Can Guo
2020-12-15 23:05 ` [PATCH v5 6/7] scsi: ufs: Cleanup WB buffer flush toggle implementation Bean Huo
2020-12-16 4:17 ` Stanley Chu
2020-12-22 6:14 ` Can Guo
2020-12-15 23:05 ` [PATCH v5 7/7] scsi: ufs: Keep device active mode only fWriteBoosterBufferFlushDuringHibernate == 1 Bean Huo
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